30580720

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{751}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 71334720

約数和(自身を除く): 40754000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 751, 1018, 1502, 2036, 2545, 3004, 3755, 4072, 5090, 6008, 7510, 8144, 10180, 12016, 15020, 20360, 30040, 40720, 60080, 382259, 764518, 1529036, 1911295, 3058072, 3822590, 6116144, 7645180, 15290360, 30580720]

約数ペア:

[(1, 30580720), (2, 15290360), (4, 7645180), (5, 6116144), (8, 3822590), (10, 3058072), (16, 1911295), (20, 1529036), (40, 764518), (80, 382259), (509, 60080), (751, 40720), (1018, 30040), (1502, 20360), (2036, 15020), (2545, 12016), (3004, 10180), (3755, 8144), (4072, 7510), (5090, 6008)]